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Hbase client reading different user for read and write

I am using hbase client 2.1.7 to connect to my server(same version 2.1.7).
<groupId>org.apache.hbase</groupId>
<artifactId>hbase-client</artifactId>
<version>2.1.7</version>
Now there is an user who have permission to read/write on the table in the server.
User = LTzm#yA$U
For this my code looks like this:
String hadoop_user_key = "HADOOP_USER_NAME";
String user = "LTzm#yA$U";
System.setProperty(hadoop_user_key, token);
Now when I am trying to read the key from the table i am getting following error:
error.log:! Causing:
org.apache.hadoop.hbase.security.AccessDeniedException:
org.apache.hadoop.hbase.security.AccessDeniedException: Insufficient
permissions for user 'LTzm' (table=table_name, action=READ)
Weird part is writes are working fine. To validate that whether right user is getting passed for write, i removed the user and try rerun the code and the write fails with the error:
error.log:! org.apache.hadoop.hbase.ipc.RemoteWithExtrasException:
org.apache.hadoop.hbase.security.AccessDeniedException: Insufficient
permissions (user=LTzm#yA$U,
scope=table_name, family=d:visitId,
params=[table=table_name,family=d:visitId],action=WRITE)
Again read was also failing with:
error.log:! org.apache.hadoop.hbase.ipc.RemoteWithExtrasException:
org.apache.hadoop.hbase.security.AccessDeniedException: Insufficient
permissions for user 'LTzm'
(table=table_name, action=READ)
Somehow Ltzm is getting passed with read call and LTzm#yA$U is getting passed for write.
Does anyone help me what is the issue here, Is # or special symbol not allowed in the user for hbase(then how is it working for write calls).
Edit 1:
Here is the function to create connection:
public static Connection createConnection() {
String hadoop_user_key = "HADOOP_USER_NAME";
String user = "LTzm#yA$U";
Map<String, String> configMap = new HashMap<>();
configMap.put("hbase.rootdir", "hdfs://session/apps/hbase/data"));
configMap.put("hbase.zookeeper.quorum", "ip1, ip2");
configMap.put("zookeeper.znode.parent", "/hbase");
configMap.put("hbase.rpc.timeout", "400");
configMap.put("hbase.rpc.shortoperation.timeout", "400");
configMap.put("hbase.client.meta.operation.timeout", "5000");
configMap.put("hbase.rpc.engine", "org.apache.hadoop.hbase.ipc.SecureRpcEngine");
configMap.put("hbase.client.retries.number", "3");
configMap.put("hbase.client.operation.timeout", "3000"));
configMap.put(HConstants.HBASE_CLIENT_IPC_POOL_SIZE, "30"));
configMap.put("hbase.client.pause", "50"));
configMap.put("hbase.client.pause.cqtbe", "1000"));
configMap.put("hbase.client.max.total.tasks", "500"));
configMap.put("hbase.client.max.perserver.tasks", "50"));
configMap.put("hbase.client.max.perregion.tasks", "10"));
configMap.put("hbase.client.ipc.pool.type", "RoundRobinPool");
configMap.put("hbase.rpc.read.timeout", "200"));
configMap.put("hbase.rpc.write.timeout", "200"));
configMap.put("hbase.client.write.buffer", "20971520"));
System.setProperty(hadoop_user_key, token);
Configuration hConfig = HBaseConfiguration.create();
for (String key : configMap.keySet())
hConfig.set(key, configMap.get(key));
UserGroupInformation.setConfiguration(hConfig);
Connection hbaseConnection;
hbaseConnection = ConnectionFactory.createConnection(config);
return connection;
}
Here are the read and write calls:
protected Result read(String tableName, String rowKey) throws IOException {
Get get = new Get(Bytes.toBytes(rowKey));
get.addFamily(COLUMN_FAMILY_BYTES);
Result res;
Table hTable = null;
try {
hTable = getHbaseTable(tableName);
res = hTable.get(get);
} finally {
if (hTable != null) {
releaseHbaseTable(hTable);
}
}
return res;
}
protected void writeRow(String tableName, String rowKey, Map<String, byte[]> columnData) throws IOException {
Put cellPut = new Put(Bytes.toBytes(rowKey));
for (String qualifier : columnData.keySet()) {
cellPut.addColumn(COLUMN_FAMILY_BYTES, Bytes.toBytes(qualifier), columnData.get(qualifier));
}
Table hTable = null;
try {
hTable = getHbaseTable(tableName);
if (hTable != null) {
hTable.put(cellPut);
}
} finally {
if (hTable != null) {
releaseHbaseTable(hTable);
}
}
}
private Table getTable(String tableName) {
try {
Table table = hbaseConnection.getTable(TableName.valueOf(tableName));
} catch (IOException e) {
LOGGER.error("Exception while adding table in factory.", e);
}
}

Issues trying to execute Form Class in Netbeans

Good evening.
I have a problem using NetBeans v 11.1 for Windows.
I try to open two Frame Forms when the user select an item from a Combo Box.
The forms I want open have a string param in their constructors.
private void jComboBox1ActionPerformed(java.awt.event.ActionEvent evt) {
try {
// TODO add your handling code here:
Visualizza visualizza = new Visualizza(this.auth);
Inserisci inserisci = new Inserisci(this.auth);
var getItem = jComboBox1.getSelectedItem();
switch(getItem.toString()){
case ("Visualizza Iscritti nel Sistema"):
visualizza.setVisible(true);
break;
case ("Inserisci Atleti nel Sistema"):
inserisci.setVisible(true);
break;
default:
break;
}
} catch (IOException ex) {
Logger.getLogger(Select.class.getName()).log(Level.SEVERE, null, ex);
}
}
The constructors code is:
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.ButtonGroup;
import org.json.*;
public class Visualizza extends javax.swing.JFrame {
//Attributes declaration
...
public Visualizza(String auth) throws IOException {
initComponents();
btnRicerca.setVisible(false);
txtField.setVisible(false);
this.auth = auth;
Player[] player;
Requests r = new Requests("https://www.kingofthecage.it/API/getAllPlayers.php", auth);
r.sendGet();
if (r.res.equals("Errore") || r.res.equals("[]"))
{
List.removeAll();
List.add(errorMessage);
}
else
{
JSONArray arr = new JSONArray(r.res);
player = new Player[arr.length()];
String[] list = new String[arr.length()];
for (int i = 0; i < arr.length(); i++)
{
String id = arr.getJSONObject(i).getString("ID");
String name = arr.getJSONObject(i).getString("NOME");
String surname = arr.getJSONObject(i).getString("COGNOME");
String date = arr.getJSONObject(i).getString("DATA_NASCITA");
String birthplace = arr.getJSONObject(i).getString("LUOGO_NASCITA");
String residence = arr.getJSONObject(i).getString("RESIDENZA");
String cf = arr.getJSONObject(i).getString("CODICE_FISCALE");
String mail = arr.getJSONObject(i).getString("MAIL");
String mobile = arr.getJSONObject(i).getString("CELLULARE");
String team = arr.getJSONObject(i).getString("NOME_SQUADRA");
player[i] = new Player(id, name, surname, date, birthplace, residence, cf, mobile, mail, team);
List.add(list[i] = player[i].getPlayerString());
}
}
I import the library org.json to parse and interact with a response from a server, called with an HTTP Request and in the for cycle I returned params in a class called Player.
If I run the project from NetBeans works perfectly, the issue come when I build the project and I try to execute the .jar file saved in "./dist" folder. Substantially when I select a value from the ComboBox nothing happens but, as i've said, if I try to run the same code in NetBeans IDE it works.
I specify that I never change any setting from NetBeans IDE.
I hope you can solve my problem!

ERROR java.lang.NoClassDefFoundError: com/mongodb/MongoClient

so i got a very strange error message. Im currently working on a java web project with maven and testing the project with Eclipse and Tomcat. So I imported all the neccessary dependencys (mongo java driver, mongodb driver, mongodb driver core, bson and javax.servlet api), or so i thought. But still i'm getting this error over and over again.
If I run the code as part of a main method it works just fine...so im in the dark what could have caused this problem.
this is my MongoDB connector,
public class Connector {
final String HOST = "localhost";
final int PORT = 27017;
final String DBNAME = "mitfahrapp";
public static Connector instance;
public MongoClient connection;
public MongoDatabase database;
public Connector(){
this.connection = new MongoClient(this.HOST, this.PORT);
this.database = connection.getDatabase(DBNAME);
}
public MongoClient getClient() {
return connection;
}
public static Connector createInstance() throws UnknownHostException {
if (Connector.instance == null) {
Connector.instance = new Connector();
}
return Connector.instance;
}
public MongoCollection<Document> getCollection(String name) {
return this.database.getCollection(name);
}
public void CloseMongo() {
connection.close();
}
}
and this is part of my LoginServlet.java
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
Connector c = Connector.createInstance();
MongoCollection<Document> collection = c.getCollection("users");
String username = request.getParameter("username");
String password = request.getParameter("password");
Bson filterUsername = Filters.eq("username", username);
Bson filterPwd = Filters.eq("password", password);
Bson bsonFilter = Filters.and(filterUsername, filterPwd);
FindIterable<Document> doc = collection.find(bsonFilter);
if (doc != null) {
response.sendRedirect("welcome.jsp");
} else {
response.sendRedirect("login.jsp");
}
Thanks for any answers in advance!

This means that the classes are not included in the jar, if you are using maven you should use the maven shade plugin to include those.

SQL4306N Java stored procedure or user-defined function could not call Java method

We just upgraded to DB2 10.5 from 9.5, this process was working fine until the upgrade was performed on the server. When i run the jar file from a linux server, I get the following error however when i run the exact same code from eclipse on my windows computer, it works just fine! I am also getting a similar error if I calll this sp from DB2 control center. I am looking to know what is causing this and how can i fix this error?
SQL4306N Java stored procedure or user-defined function "ESADBM.GETNEXTID",
specific name "WHDBRMM_UTILS" could not call Java method "GetNextID",
signature "(Ljava/lang/String;[I)V". SQLSTATE=42724
Explanation:
The Java method given by the EXTERNAL NAME clause of a CREATE PROCEDURE
or CREATE FUNCTION statement could not be found. Its declared argument
list may not match what the database expects, or it may not be a
"public" instance method.
User response:
Ensure that a Java instance method exists with the "public" flag and the
expected argument list for this call.
sqlcode: -4306
sqlstate: 42724.
Here is the code:
package pkgUtil_v4_0_0_0;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import org.hibernate.exception.JDBCConnectionException;
public class DBSequence {
public static final String SEQ_CONTACTID = "ContactIDSeq";
public static final String SEQ_PROJECTID = "ProjectIDSeq";
public static final String SEQ_LOCATIONID = "LocationIDSeq";
public static final String SEQ_SOURCEID = "SourceIDSeq";
public static final String SEQ_SURVEYID = "SurveyIDSeq";
public static final String SEQ_LOGICALSURVEYID = "WageAreaIDSeq";
public static final String SEQ_WAGEDETAILID = "WageDetailIDSeq";
public static final String SEQ_ORGID = "OrgIDSeq";
public static final String SEQ_OFFICEID = "RegionNumberSeq";
public static final String SEQ_LETTERID = "LetterIDSeq";
public static final String SEQ_DODGEID = "DodgeIDSeq";
public static final String SEQ_CRAFTID = "CraftIDSeq";
public static final String SEQ_CRAFTTITLEID = "CraftTitleIDSeq";
public static final String SEQ_ANALYSTID = "AnalystIDSeq";
public static final String SEQ_LETTERTEMPLATEID = "LetterTemplateIDSeq";
public static final String SEQ_RECRATESID = "RecRatesIDSeq";
public static final String SEQ_BRIDGESCDID = "BridgeSCDIDSeq";
public static String drvr = "";
public static Connection con = null;
// utility function
public static int getNextId(Connection lcon, String sequence) throws SQLException {
Boolean bFlag;
PreparedStatement stmt = null;
int id = 0;
String sql = "select next value for esadbm." +
sequence + " from SYSIBM.sysdummy1";
// System.out.println("String = "+sequence);
stmt = lcon.prepareStatement(sql);
ResultSet resultSet = stmt.executeQuery();
if (resultSet.next()) {
id = resultSet.getInt(1);
}
resultSet.close();
stmt.close();
return id;
}
// Stored Procedure Entry Point
public static void getNextId(String sequence, int[] seq) throws SQLException, Exception {
System.out.println("String = "+sequence);
System.out.println("Array = "+seq);
if (drvr.length() == 0) {
drvr = "jdbc:default:connection";
con = DriverManager.getConnection(drvr);
}
drvr = "";
seq[0] = getNextId(con, sequence);
con.close();
}
// test procedure
public static void main(String args[])throws SQLException, Exception {
try {
System.out.println("Connecting to DB " + args[0]);
Class.forName("com.ibm.db2.jcc.DB2Driver");
drvr = "jdbc:db2:" + args[0];
// System.out.println(drvr+args[1] + args[2]);
con = DriverManager.getConnection("jdbc:db2:" + args[0], args[1],args[2]);
// System.out.println(con);
System.out.println("DB Connection Successful");
con = DriverManager.getConnection(drvr, args[1], args[2]);
Statement st = con.createStatement();
String query = "set schema = 'ESADBM'";
st.execute(query);
System.out.println("Getting ID");
int id = getNextId(con, SEQ_SOURCEID);
System.out.println("Returned : " + Integer.toString(id));
}
catch (ClassNotFoundException cnfe) {
cnfe.printStackTrace();
}
catch (SQLException sqle) {
sqle.printStackTrace();
}
catch (JDBCConnectionException e) {
System.out.println("Unable to connect to database");
e.printStackTrace();
}
}
}
Here is the stored procedure:
CREATE PROCEDURE "ESADBM "."GETNEXTID"
(
IN SEQUENCE CHARACTER(40),
OUT ID INTEGER
)
DYNAMIC RESULT SETS 0
SPECIFIC WHDBRA_UTILS
EXTERNAL NAME 'pkgUtil_v4_0_0_0.DBSequence!getNextId()'
LANGUAGE JAVA
PARAMETER STYLE JAVA
NOT DETERMINISTIC
FENCED THREADSAFE
MODIFIES SQL DATA
NO DBINFO;

Libraries for external routines, including Java classes and JAR files for Java routines, must be present in a certain location in the DB2 instance directory. When you upgrade your DB2 version, a new instance is created, but those libraries are not copied automatically (which, by the way, makes sense as there is a good chance that they need to be rebuilt).
The error message indicates that the instance cannot find the Java class file that implements GETNEXTID -- that would be DBSequence.class. The class needs to be copied to the sqllib/function directory in the DB2 10.5 instance home on the database server, as explained in the manual. You will probably need also to create pkgUtil_v4_0_0_0 under sqllib/function for the correct package structure. Make sure you compile the Java source using the same JDK version as the one used by the DB2 instance to run the program.
Once you do that, execute CALL SQLJ.REFRESH_CLASSES() in the DB2 client of your choice to make sure DB2 reloads the most current version. After that your stored procedure should work correctly.
Having said that, I don't really understand why you use such a convoluted way of retrieving a SQL sequence value.

c3p0 and Oracle object type problem

had several apps with jdbc and Oracle 10g. Now I´m changing the apps for use c3p0. But I have some problems working with Oracle types.
I Have this Oracle type:
CREATE OR REPLACE
TYPE DATAOBJ AS OBJECT
(
ID NUMBER,
NAME VARCHAR2(50)
)
And this Oracle function:
CREATE OR REPLACE FUNCTION F_IS_DATA_OBJECT (datar in DATAOBJ) RETURN varchar2 IS
tmpVar varchar2(150);
BEGIN
tmpVar := 'Data object:';
if datar.id is not null then
tmpVar := tmpVar || 'id=' || datar.ID;
end if;
if datar.name is not null then
tmpVar := tmpVar || 'name=' || datar.name;
end if;
return tmpVar;
EXCEPTION
WHEN NO_DATA_FOUND THEN
NULL;
WHEN OTHERS THEN
RAISE;
END F_IS_DATA_OBJECT;
then I have a app in Java with c3p0 with next classes:
Dataobj.class to represent the object type:
package c3p0pruebas.modelo;
import java.io.Serializable;
import java.sql.SQLData;
import java.sql.SQLException;
import java.sql.SQLInput;
import java.sql.SQLOutput;
public class Dataobj implements SQLData, Serializable {
private String name;
private Integer id;
public Dataobj() {
}
public String getSQLTypeName() {
return "DATAOBJ";
}
public void writeSQL(SQLOutput stream) throws SQLException {
stream.writeInt(id.intValue());
stream.writeString(name);
}
public void readSQL(SQLInput stream, String typeName) throws SQLException {
id = new Integer(stream.readInt());
name = stream.readString();
}
public void setName(String name) {
this.name = name;
}
public String getName() {
return name;
}
... and its gets and sets ....
And the main class and main method:
Connection connection = DBConnectionManager.getInstance().getConnection("Mypool"); //I use a class to get connection
CallableStatement cs = null;
String error = "";
try {
/*
//First I made a NativeExtractor of the connection, but the result is the same, I got it from Spring framework.
//C3P0NativeJdbcExtractor extractor = new C3P0NativeJdbcExtractor();
//OracleConnection newConnection = (OracleConnection) extractor.getNativeConnection(connection);
//cs = (OracleCallableStatement) newConnection.prepareCall("{? = call F_IS_DATA_OBJECT(?)}");
*/
//Creates the object
Dataobj obj = new Dataobj();
obj.setId(new Integer(33));
obj.setName("myName");
cs = connection.prepareCall("{? = call F_IS_DATA_OBJECT(?)}");
cs.registerOutParameter(1, OracleTypes.VARCHAR);
cs.setObject(2, obj);
cs.execute();
error = cs.getString(1);
System.out.println("Result: " + error);
} catch (SQLException e) {
e.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();
} finally {
closeDBObjects(null,cs,null);
}
closeDBObjects(null, null, connection); //Close connection
The execution gets:
Data object: id=33.
I cant get the String (Varchar2) value, the name string.
With oracle arrays of object type, I have the same problem, It worked nice with JDBC. When I worked with Arrays, also, it hasn´t the string values:
//Here I use a NativeConnection ...
Dataobj arrayOfData[] = new Dataobj[myDataObj.size()];
... //Makes the array of DataObj.
ArrayDescriptor descriptor = ArrayDescriptor.createDescriptor("OBJ_ARRAY", newConnection);
ARRAY arrayDatas = new ARRAY(descriptor, newConnection, arrayOfData);
//In this step, objects of arrayDatas haven´t the name string...
Thanks!!!

OK, It finally works.
Searching, We found out the answer:
We change data definition in the database and now it works:
CREATE OR REPLACE
TYPE "DATAOBJ" AS OBJECT
(
vid NUMBER,
vname NCHAR(50)
)
Thanks!

I had the same problem and i solved without change VARCHAR2 to NCHAR, because for me, the NCHAR doesn't appear the String in the Oracle, stay "?" in all the positions.
I changed the oracle driver of the WAR to the version of my database, in my case was 11.2.0.1.0:
http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-112010-090769.html
And i put another driver, that is the NLS for Oracle Objects and Collections:
http://download.oracle.com/otn/utilities_drivers/jdbc/112/orai18n.jar
With this, i solved the problem and the VARCHAR2 worked fine.
Good luck.